If your neck is not latching into position before twisting the bolt to fully tighten, first try the instructions here to make sure you’re pressing the neck properly into place against the body: https://journeyinstruments.com/journey-overhead-assembly-instructions/ If the latch catch is not attaching to the neck mechanism, use a pair of needle-nose pliers to bend the latch catch in the neck closer…

For our collapsible steelstring acoustic and electric guitars, there’s no need to detune before disassembly or assembly. However, for nylon stringed guitars (like OC660M or OC520), we recommend you tune down at least two semitones so that the tension is reduced before disassembly. This increases string life and reduces unnecessary wear on the nylon strings where they contact the nut…